<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <!-- 条件搜索区域 -->
      <el-row :gutter="15">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="
                handleCurrentChange(1)
                getGoodsList
              "
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="toAddPage()"
            >添加商品</el-button
          >
        </el-col>
      </el-row>
      <!-- 数据table区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column
          label="商品名称"
          prop="goods_name"
          width="460px"
        ></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="150px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="150px%"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="180px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="250px%">
          <template slot-scope="scoped">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="small"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="small"
              @click="deleteById(scoped.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 15, 20, 30]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 分页总条数
      total: 0,
      // 商品列表
      goodslist: []
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 获取参数列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('请求列表数据失败!')
      }
      console.log('object ==>', res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 新增回调
    toAddPage() {
      this.$router.push('/goods/add')
    },
    // 获取每页显示条数
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 获取当前显示页数
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除数据回调
    async deleteById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('操作失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    }
  }
}
</script>

<style></style>
